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AT&T data breach

The AT&T breach happened on August 20, 2021 and exposed 49,102,176 accounts. 6 kinds of data were exposed.

Overview

Breach date
August 20, 2021
Recorded on
March 19, 2024
Accounts exposed
49,102,176
Exposed data
Dates of birth, Email addresses, Government issued IDs, Names, Phone numbers, Physical addresses
Risk score
71 out of 100

Risk based on the exposed data

This breach scores 71 out of 100. The score is driven mostly by Government issued IDs, Phone numbers, Physical addresses.

The risk score is a guide to how dangerous a breach is, judged by the kinds of data exposed. The number of accounts is not included.

Breaches from the same period

What affected users should do

  • Passwords were not exposed, but you may receive fake emails aimed at the exposed email addresses.
  • Turn on two-factor authentication for your login.
  • Phone numbers were exposed, so watch out for impersonation by text message or phone call.
  • ID numbers were exposed, so watch out for contracts signed in your name.

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This site organizes publicly available information about data breaches. Data as of October 23, 2024. Breach dates are as originally listed; when only the month is known, the date is recorded as the 1st.